Research
Publications
Juan Carlos Pichel Campos
Publications
Juan Carlos Pichel Campos
2023
An accurate machine learning model to study the impact of realistic metal grain granularity on Nanosheet FETs
Author/s: Julian G. Fernandez, Natalia Seoane, Enrique Comesaña, Juan C. Pichel, Antonio Garcia-Loureiro
BigSeqKit: a parallel Big Data toolkit to process FASTA and FASTQ files at scale
Author/s: César Piñeiro and Juan C. Pichel
A machine learning approach to model the impact of line edge roughness on gate-all-around nanowire FETs while reducing the carbon footprint
Author/s: Antonio García-Loureiro , Natalia Seoane , Julián G. Fernández , Enrique Comesaña , Juan C. Pichel
An accurate neural network model to study threshold voltage variability due to metal grain granularity in Nanosheet FETs
Author/s: Julian G. Fernandez, Enrique Comesana, Natalia Seoane, Juan C. Pichel , and Antonio García-Loureiro
An Unsupervised Perplexity-Based Method for Boilerplate Removal
Author/s: Marcos Fernández-Pichel, Manuel Prada-Corral, David E. Losada, Juan C. Pichel, Pablo Gamallo
2022
CiTIUS at the TREC 2022 Health Misinformation Track
Author/s: Marcos Fernández-Pichel, Manuel Prada-Corral, David E. Losada and Juan C. Pichel
A Multistage Retrieval System for Health-related Misinformation Detection
Author/s: Marcos Fernández-Pichel, David E. Losada, Juan C. Pichel
Social Minder: a tool for social media monitoring and its use for detecting COVID-19 misinformation
Author/s: Marcos Fernández-Pichel, David E. Losada, Juan C. Pichel
Real-Time Focused Extraction of Social Media Users
Author/s: Rodrigo Martínez-Castaño, David E. Losada, Juan C. Pichel
A Unified Framework to Improve the Interoperability between HPC and Big Data Languages and Programming Models
Author/s: César Piñeiro, Juan C. Pichel
2021
CiTIUS at the TREC 2021 Health Misinformation Track
Author/s: Marcos Fernández-Pichel, Manuel Prada-Corral, David E. Losada, Juan C. Pichel and Pablo Gamallo
Comparing Traditional and Neural Approaches for detecting Health-related Misinformation
Author/s: Marcos Fernández-Pichel, David E. Losada, Juan C. Pichel, David Elsweiler
Colaboración entre docentes de una universidad alemana y una española para el desarrollo de seminarios prácticos acerca de la credibilidad de la información
Author/s: Marcos Fernández-Pichel, David Elsweiler, David E. Losada, Juan C. Pichel
Reliability Prediction for Health-related Content: A Replicability Study
Author/s: Marcos Fernández-Pichel, David E. Losada, Juan C. Pichel, David Elsweiler
2020
CiTIUS at the TREC 2020 Health Misinformation Track
Author/s: Marcos Fernández-Pichel, David E. Losada, Juan C. Pichel, and David Elsweiler
eXtream: a System for Real-time Monitoring of Dynamic Web Sources
Author/s: Marcos Fernández-Pichel, Rodrigo Martínez-Castaño, David E. Losada and Juan C. Pichel
A Big Data Platform for Real Time Analysis of Signs of Depression in Social Media
Author/s: Rodrigo Martínez-Castaño, Juan C. Pichel and David E. Losada
VeryFastTree: speeding up the estimation of phylogenies for large alignments through parallelization and vectorization strategies
Author/s: César Piñeiro, José M. Abuín and Juan C. Pichel
Ignis: an efficient and scalable multi-language Big Data framework
Author/s: César Piñeiro, Rodrigo Martínez-Castaño and Juan C. Pichel
A Big Data Approach to Metagenomics for All-Food-Sequencing
Author/s: Robin Kobus, José M. Abuín, André Müller, Sören Lukas Hellmann, Juan C. Pichel, Tomás F. Pena, Andreas Hildebrandt, Thomas Hankeln and Bertil Schmidt
2019
Dataflow Execution of Hierarchically Tiled Arrays
Author/s: Chih-Chieh Yang, Juan C. Pichel, and David A. Padua
Sparse Matrix Classification on Imbalanced Datasets using Convolutional Neural Networks
Author/s: Juan C. Pichel and Beatriz Pateiro-López
2018
LinguaKit: a Big Data-based multilingual tool for linguistic analysis and information extraction
Author/s: Pablo Gamallo, Marcos Garcia, César Piñeiro, Rodrigo Martínez-Castaño and Juan C. Pichel
Towards a Big Data Multi-language Framework using Docker Containers
Author/s: César Piñeiro, Rodrigo Martínez-Castaño and Juan C. Pichel
A New Approach for Sparse Matrix Classification Based on Deep Learning Techniques
Author/s: Juan C. Pichel and Beatriz Pateiro-López
Building Python-Based Topologies for Massive Processing of Social Media Data in Real Time
Author/s: Rodrigo Martínez-Castaño, Juan C. Pichel and David E. Losada
A Micromodule Approach for Building Real-Time Systems with Python-Based Models: Application to Early Risk Detection of Depression on Social Media
Author/s: Rodrigo Martínez-Castaño, Juan C. Pichel, David E. Losada and Fabio Crestani
2017
Perldoop2: a Big Data-oriented source-to-source Perl-Java compiler
Author/s: César Piñeiro, José M. Abuín and Juan C. Pichel
PASTASpark: multiple sequence alignment meets Big Data
Author/s: José M. Abuín, Tomás F. Pena and Juan C. Pichel
2016
Sentiment Analysis on Multilingual Tweets using Big Data Technologies
Author/s: Rodrigo Martínez-Castaño, Juan C. Pichel and Pablo Gamallo
SparkBWA: Speeding Up the Alignment of High-Throughput DNA Sequencing Data
Author/s: José M. Abuín, Juan C. Pichel, Tomás F. Pena, Jorge Amigo
Boosting Performance of a Statistical Machine Translation System Using Dynamic Parallelism
Author/s: M. Fernández, Juan C. Pichel, José C. Cabaleiro, Tomás F. Pena
2015
BigBWA: Approaching the Burrows-Wheeler Aligner to Big Data Technologies
Author/s: José M. Abuín, Juan C. Pichel, Tomás F. Pena and Jorge Amigo
Power and Energy Implications of the Number of Threads Used on the Intel Xeon Phi
Author/s: O. G. Lorenzo, T. F. Pena, J. C. Cabaleiro, J. C. Pichel, F. F. Rivera and D. S. Nikolopoulos
Power and Energy Implications of the Number of Threads Used on the Intel Xeon Phi
Author/s: O. G. Lorenzo, T. F. Pena, J. C. Cabaleiro, J. C. Pichel, F. F. Rivera and D. S. Nikolopoulos
2014
3DyRM: a dynamic roofline model including memory latency information
Author/s: O. G. Lorenzo, T. F. Pena, J. C. Cabaleiro, J.C. Pichel and F. F. Rivera
Perldoop: Efficient Execution of Perl Scripts on Hadoop Clusters
Author/s: José M. Abuín, Juan C. Pichel, Tomás F. Pena, Pablo Gamallo, and Marcos García
Multiobjective Optimization Technique Based on Monitoring Information to Increase the Performance of Thread Migration on Multicores
Author/s: O. G. Lorenzo, T. F. Pena, J. C. Cabaleiro, J. C. Pichel, and F. F. Rivera
Thread migration techniques based on dynamic Roofline models and latency information
Author/s: O.G. Lorenzo, T.F. Pena, J.C. Cabaleiro, J.C. Pichel, F.F. Rivera
Análisis morfosintáctico y clasificación de entidades nombradas en un entorno Big Data
Author/s: Pablo Gamallo, Juan Carlos Pichel, Marcos Garcia, José Manuel Abuín, Tomás Fernández-Pena
Hierarchically Tiled Array as a High-Level Abstraction for Codelets
Author/s: Chih-Chieh Yang, Juan C. Pichel, Adam R. Smith and David A. Padua
A hardware counter-based toolkit for the analysis of memory accesses in SMPs
Author/s: O.G. Lorenzo, T.F. Pena, J.C. Cabaleiro, J.C. Pichel, J.A. Lorenzo and F.F. Rivera
Using an extended Roofline Model to understand data and thread affinities on NUMA systems
Author/s: Oscar G. Lorenzo, Tomás F. Pena, José C. Cabaleiro, Juan C. Pichel, Francisco F. Rivera
Study of data locality and thread affinity on multicore systems using the Roofline Model
Author/s: O. G. Lorenzo, T. F. Pena, J. C. Cabaleiro, J. C. Pichel, F. F. Rivera
Using sampled information: is it enough for the sparse matrix-vector product locality optimization?
Author/s: Juan C. Pichel, Juan A. Lorenzo, Francisco F. Rivera, Dora B. Heras, Tomás F. Pena.
2013
Sparse matrix-vector multiplication on the Single-Chip Cloud Computer many-core processor
Author/s: Juan C. Pichel, Francisco F. Rivera
Extensión del modelo Roofline y herramientas para su uso
Author/s: O.G. Lorenzo, T.F. Pena, J.C. Cabaleiro, J.C. Pichel, F.F. Rivera
A Flexible and Dynamic Page Migration Infrastructure based on Hardware Counters
Author/s: J.A. Lorenzo, J.C. Pichel, F.F. Rivera, T.F. Pena and J.C. Cabaleiro
DyRM: A Dynamic Roofline Model Based on Runtime Information
Author/s: O.G. Lorenzo , T.F. Pena , J.C. Cabaleiro , J.C. Pichel and F.F. Rivera
2012
Hardware Counters Based Analysis of Memory Accesses in SMPs
Author/s: Oscar G. Lorenzo, Tomás F. Pena, José C. Cabaleiro, Juan C. Pichel, Juan A. Lorenzo, Francisco F. Rivera
A Graphical Tool for Performance Analysis of Multicore Systems Based on the Roofline Model
Author/s: Francisco F. Rivera, R. Iglesias, Juan A. Lorenzo, Juan C. Pichel, Tomás F. Pena, Jose C. Cabaleiro
Experiences with the Sparse Matrix-Vector Multiplication on a Many-core Processor
Author/s: Juan C. Pichel, Francisco F. Rivera
Optimization of Sparse Matrix-Vector Multiplication Using Reordering Techniques on GPUs
Author/s: Juan C. Pichel, Francisco F. Rivera, Marcos Fernández, Aurelio Rodríguez
2011
Analyzing the Execution of Sparse Matrix-Vector Product on the Finisterrae SMP-NUMA System
Author/s: Juan C. Pichel, Juan A. Lorenzo, Dora B. Heras, José C. Cabaleiro and Tomás F. Pena
Herramientas para la monitorización de los accesos a memoria de códigos paralelos mediante contadores hardware
Author/s: Oscar G. Lorenzo, Juan A. Lorenzo, Dora B. Heras, Juan C. Pichel y Francisco F. Rivera
Study of Performance Issues on a SMP-NUMA System Using the Roofline Model
Author/s: Juan A. Lorenzo, Juan C. Pichel, Tomás F. Pena, Marcos Suarez, Francisco F. Rivera
A Study of Memory Access Patterns in Irregular Parallel Codes Using Hardware Counter-Based Tools
Author/s: Oscar G. Lorenzo, Juan A. Lorenzo, José C. Cabaleiro, Dora B. Heras, Marcos Suarez, Juan C. Pichel
2010
Increasing the Locality of Iterative Methods and its Application to the Simulation of Semiconductor Devices
Author/s: J. C. Pichel, D. B. Heras, J. C. Cabaleiro, A. J. García-Loureiro, F. F. Rivera
Lessons Learnt Porting Parallelisation Techniques for Irregular Codes to NUMA Systems
Author/s: Juan A. Lorenzo, Juan C. Pichel, David LaFrance-Linden, Francisco F. Rivera, David E. Singh
2009
On the Influence of Thread Allocation for Irregular Codes in NUMA Systems
Author/s: Juan A. Lorenzo, Francisco F. Rivera, Petr Tuma, Juan C. Pichel
Increasing data reuse of sparse algebra codes on simultaneous multithreading architectures
Author/s: J. C. Pichel, D. B. Heras,J. C. Cabaleiro and F. F. Rivera
Evaluating Sparse Matrix-Vector Product on the FinisTerrae Supercomputer
Author/s: Juan C. Pichel, Juan A. Lorenzo, Dora B. Heras, José C. Cabaleiro
A Collective I/O Implementation Based on Inspector-Executor Paradigm
Author/s: David E. Singh, Florin Isaila, Juan C. Pichel and Jesús Carretero
2008
Exploiting Data Compression in Collective I/O Techniques
Author/s: Rosa Filgueira, David E. Singh, Juan C. Pichel, Jesús Carretero
Reordering Algorithms for Increasing Locality on Multicore Processors
Author/s: Juan C. Pichel, David E. Singh, Jesús Carretero
Data Locality Aware Strategy for Two-Phase Collective I/O
Author/s: Rosa Filgueira, David E. Singh, Juan C. Pichel, Florin Isaila, Jesús Carretero
2006
Técnicas de Optimización de la Localidad para Códigos Irregulares sobre Arquitecturas Multiprocesador y Multithreading
Author/s: Juan Carlos Pichel Campos